Cast & Characters

House of the Dragon Twitter

ADDITIONAL CAST (in alphabetical order):
Young Princess Rhaenyra Targaryen (Milly Alcock)
She's the king’s first-born child, of pure Valyrian blood, and she is a dragonrider. Many would say that Rhaenyra was born with everything… but she was not born a man.

Baela Targaryen (Bethany Antonia) 
The eldest daughter of Laena Velaryon and rider of the young dragon Moondancer.

Rhaena Targaryen (Phoebe Campbell)
The second daughter of Lady Laena and sister to Baela.

Young Alicent Hightower (Emily Carey) 
The daughter of Otto Hightower, the Hand of the King, and the most comely woman in the Seven Kingdoms. Alicent was raised in the Red Keep, close to the king and his innermost circle; she possesses both a courtly grace and a keen political acumen.

Jacaerys Velaryon (Harry Collett)
The eldest son of Rhaenyra Targaryen. 

Ser Harwin ‘Breakbones’ Strong (Ryan Corr)
'Breakbones', Harwin is said to be the strongest man in the Seven Kingdoms. Ser Harwin is the eldest son to Master of Laws Lyonel Strong and heir to Harrenhal. 

Aegon Targaryen (Tom Glynn-Carney) 
The first-born son of King Viserys.

Tyland Lannister (Jefferson Hall)
A crafty and calculating politician, twin to Lord Jason Lannister. 

Lord Jason Lannister (Jefferson Hall)
The Lord of Casterly Rock and twin to Ser Tyland Lannister. 
Grand Maester Mellos (David Horovitch)
A voice of reason and trusted advisor to King Viserys.

Ser Vaemond Velaryon (Wil Johnson)
The younger brother to Corlys Velaryon and commander in the Velaryon navy.

Ser Laenor Velaryon (John Macmillan and Theo Nate)
The son of Corlys Velaryon and Rhaenys Targaryen.
Ser Harrold Westerling (Graham McTavish)
Ser Harrold has served in the Kingsguard since the days of King Jaehaerys; he is a paragon of chivalry and honor.
Aemond Targaryen (Ewan Mitchell) 
The second-born son of Viserys, nephew to Daemon, and half-brother to Rhaenyra.
Larys Strong (Matthew Needham)
The younger son of Master of Laws Lyonel Strong, brought to court by his father. 

Lord Lyman Beesbury (Bill Paterson)
Lord of Honeyholt and Master of Coin on King Viserys's small council.  

Helaena Targaryen (Phia Saban)
The second-born daughter of Viserys, sister to Aegon and Aemond, half-sister to Rhaenyra.

Lord Lyonel Strong (Gavin Spokes)
Master of Laws to King Viserys and Lord of Harrenhal.
Lady Laena Velaryon (Savannah Steyn)
The daughter of Corlys Velaryon and Rhaenys Targaryen.

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